/*
 * 太原学院计算机技术系  （C）  版权所有
 */
package cn.edu.tyu.finance.servlet;

import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.FormatFlagsConversionMismatchException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import cn.edu.tyu.finance.util.DbUtil;
import cn.edu.tyu.finance.util.StringUtil;

/**
 * 添加用户
 * @author duhaohao
 * @version 1.0
 */
@WebServlet("/AddUserServlet")
public class AddUserServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

    /**
     * Default constructor. 
     */
    public AddUserServlet() {
        // TODO Auto-generated constructor stub
    }

	/**
	 * 处理网页发来的Get请求
	 * @param request 请求对象
	 * @param response 响应对象
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		//1.接受网页传来的数据
		String uname = request.getParameter("username");
		String upsw = request.getParameter("userpsw");
		String upswMD5 = StringUtil.getMD5(upsw);
		//2.连接数据库把接收到的数据写入表里
		Connection conn = null;
		PreparedStatement pstmt = null;
		conn = DbUtil.getConnection();
		int flag = 0;
		String sql = "INSERT INTO users VALUES(?,?,?)";
		try {
			pstmt = conn.prepareStatement(sql);
			pstmt.setString(1, (int) (Math.random()*10000) + "");
			pstmt.setString(2, uname);
			pstmt.setString(3, upswMD5);
			flag = pstmt.executeUpdate();//下达执行指令
			if (flag == 0) {
				response.sendRedirect("fail.jsp");
			} else {
				response.sendRedirect("ok.jsp");
			}
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}  finally {
			DbUtil.backConn(conn, pstmt, null);
		}
	}

	/**
	 * 处理网页发来的Post请求
	 * @param request 请求对象
	 * @param response 响应对象
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}